package com.chinasofti.set;

import java.util.Iterator;
import java.util.Set;
import java.util.TreeSet;

public class MySet1 {
    public static void main(String[] args) {
        Set<String>set = new TreeSet<>();
        //添加元素
        set.add("ccc") ;
        set.add("aaa") ;
        set.add("bbb") ;
        set.add("aaa") ;
        for (int i = 0; i <set.size() ; i++) {
            //System.out.println(set.get());
           Iterator<String> it = set.iterator();
           while(it.hasNext()){
               String s = it.next();
               System.out.println("s = " + s);
           }
            for (String str :set) {
                System.out.println("str = " + str);
            }
        }
    }
}
